Re: Difference between pull --rebase and fetch+rebase

[martinvz <martin.von.zweigbergk@gmail.com>]

Santi Béjar-2 wrote:
> 
> Is your upstream branch rebased?
> 

Sorry, but I'm not sure I understand what that means. Most of the commits in
the upstream branch (the remote main branch) were rebased onto that branch
at some point in time before being pushed to our shared repository. The
remote branch itself was never rebased against any other branch (all
destructive operations disallowed in Gitosis). I hope that (possibly along
with the information below) answers your question.


Santi Béjar-2 wrote:
> 
> Can you provide, at least, a graph of your history (ala git log
> --graph --oneline for example)? And plot also the reflog entries and
> all the important commits.
> 

$ git log --graph --format=%h --all
* 2038a46 # topic-2
* a7b93b2
* f2501ae # origin/main
* cd5aaa9
* cb232f3
...
* 5ed0d06
* 3067862
| * 6eba2fa # topic-1
| * b09aaf4
| * bc3b72a
|/
| * 03d0d84 # topic-3
| * 5160773
| * 3c25642
|/
| * 6e9b12b # topic-4
| * 75f5ab2
| * bdd08ce
| * b5d5759
|/
* 486b580
* a021696
* 3ffe7df
* d0f55c5
...

I have topic-1 checked out and run "git pull" and expect it to rebase (only)
commits bc3b72a, b09aaf4, 6eba2fa onto f2501ae, but it starts by applying
a021696 and 486b580.

$ git reflog -g origin/main
f2501ae refs/remotes/origin/mai\x7f\x7fn@{0}: fetch origin: fast forward
3ffe7df refs/remotes/origin/mai\x7f\x7fn@{1}: fetch origin: fast forward
...

I hope that's all that's all you need. It seems that the problem is that the
oldremoteref gets overwritten with the entry from the reflog. Is the problem
that 3ffe7df appears in the reflog or that 486b580 doesn't appear there? I'm
not clear on what ends up in the reflog.

I just realized that I myself created a021696 and 486b580 (but not 3ffe7df),
probably by rebasing some now-dead branch against origin/main.

Something else that may or may not have something to do with the problem is
that there is also a branch called origin/main-stable (pointing to the same
commit as origin/main). I also have a local main branch (also same commit as
origin/main). I don't know if any of this could confuse Git. (To be
perfectly honest, it is actually the origin/main-stable branch I'm trying to
pull from, just in case you think the branch name could have any impact.)


Thanks,
Martin

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